feat: Add a local-debug target (to make for easier debugging)

With this you can make small tweaks to the OpenAPI spec and then run the
following to see the impact:

```
speakeasy run --skip-testing --skip-upload-spec --skip-versioning --target=local-debug
```

Author: rwjblue-glean

.speakeasy/workflow.lock

@@ -1,4 +1,4 @@
-speakeasyVersion: 1.554.1
+speakeasyVersion: 1.555.1
 sources:
     Glean API:
         sourceNamespace: glean-api-specs
@@ -13,6 +13,20 @@ sources:
         sourceBlobDigest: sha256:caa5ffc81b230bfbba8f7861b0eac961f47c18be02a5cf1d4f7bd51bc734c419
         tags:
             - latest
+    Local Glean API:
+        sourceNamespace: local-glean-api
+        sourceRevisionDigest: sha256:7a6d9eb7f238b47a96f666ea337c55f2ff41c1d033c3781b159451dfaa27ac68
+        sourceBlobDigest: sha256:490084863e541d217246ad7a409dfb2b73ffd1f13bae9685c5f623c0fdc3175c
+        tags:
+            - latest
+            - 0.9.0
+    local-debug:
+        sourceNamespace: local-debug
+        sourceRevisionDigest: sha256:dbfa89dd68466b7e44d30a80ca46245606beb1756239a8fbe1031d91cbe583f3
+        sourceBlobDigest: sha256:5b5f71c799c2809f38dd5f0b917d24b5879d21a1b0b30a3062c99f6d453b02ee
+        tags:
+            - latest
+            - 0.9.0
 targets:
     glean:
         source: Glean API
@@ -21,6 +35,16 @@ targets:
         sourceBlobDigest: sha256:490084863e541d217246ad7a409dfb2b73ffd1f13bae9685c5f623c0fdc3175c
         codeSamplesNamespace: glean-api-specs-python-code-samples
         codeSamplesRevisionDigest: sha256:63af6d316a76a6ac296df7db15ec3c116ae02f65042e3ba96be403a14fb09e3f
+    local-debug:
+        source: local-debug
+        sourceNamespace: local-debug
+        sourceRevisionDigest: sha256:dbfa89dd68466b7e44d30a80ca46245606beb1756239a8fbe1031d91cbe583f3
+        sourceBlobDigest: sha256:5b5f71c799c2809f38dd5f0b917d24b5879d21a1b0b30a3062c99f6d453b02ee
+    local-glean:
+        source: Local Glean API
+        sourceNamespace: local-glean-api
+        sourceRevisionDigest: sha256:7a6d9eb7f238b47a96f666ea337c55f2ff41c1d033c3781b159451dfaa27ac68
+        sourceBlobDigest: sha256:490084863e541d217246ad7a409dfb2b73ffd1f13bae9685c5f623c0fdc3175c
 workflow:
     workflowVersion: 1.0.0
     speakeasyVersion: latest
@@ -29,6 +53,11 @@ workflow:
             inputs:
                 - location: registry.speakeasyapi.dev/glean-el2/sdk/glean-api-specs
             output: .speakeasy/glean-merged-spec.yaml
+        local-debug:
+            inputs:
+                - location: .speakeasy/glean-merged-spec.yaml
+            registry:
+                location: registry.speakeasyapi.dev/glean-el2/sdk/local-debug
     targets:
         glean:
             target: python
@@ -44,3 +73,12 @@ workflow:
                 blocking: false
             testing:
                 enabled: true
+        local-debug:
+            target: python
+            source: local-debug
+            codeSamples:
+                labelOverride:
+                    fixedValue: Python (API Client)
+                blocking: false
+            testing:
+                enabled: true

.speakeasy/workflow.yaml

@@ -5,6 +5,11 @@ sources:
         inputs:
             - location: registry.speakeasyapi.dev/glean-el2/sdk/glean-api-specs
         output: .speakeasy/glean-merged-spec.yaml
+    local-debug:
+        inputs:
+            - location: .speakeasy/glean-merged-spec.yaml
+        registry:
+            location: registry.speakeasyapi.dev/glean-el2/sdk/local-debug
 targets:
     glean:
         target: python
@@ -20,3 +25,12 @@ targets:
             blocking: false
         testing:
             enabled: true
+    local-debug:
+        target: python
+        source: local-debug
+        codeSamples:
+            labelOverride:
+                fixedValue: Python (API Client)
+            blocking: false
+        testing:
+            enabled: true