chore: fix cache paths for backcompat tests (#2511)

Author: dyladan

.github/workflows/unit-test.yml

@@ -103,7 +103,7 @@ jobs:
         with:
           path: |
             experimental/node_modules
-            experimental/packages/*/node_modules
+            experimental/*/*/node_modules
           key: node-tests-experimental-${{ runner.os }}-${{ matrix.node_version }}-${{ hashFiles('experimental/**/package.json') }}
 
       - name: Bootstrap
@@ -143,7 +143,7 @@ jobs:
         with:
           path: |
             experimental/node_modules
-            experimental/packages/*/node_modules
+            experimental/*/*/node_modules
           key: browser-tests-experimental-${{ runner.os }}-${{ matrix.node_version }}-${{ hashFiles('**/package.json') }}
 
       - name: Bootstrap

.github/workflows/w3c-integration-test.yml

@@ -22,7 +22,6 @@ jobs:
             package-lock.json
             packages/*/package-lock.json
             benchmark/*/package-lock.json
-            backwards-compatability/*/package-lock.json
             metapackages/*/package-lock.json
             packages/*/package-lock.json
             integration-tests/*/package-lock.json