feat(API): support V2 token and session token usage (#6180)

This PR adds support for userinfo and introspection of V2 tokens. Further V2 access tokens and session tokens can be used for authentication on the ZITADEL API (like the current access tokens).

.github/workflows/integration.yml

@@ -22,7 +22,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v3
         with:
-          go-version: 1.19
+          go-version: '1.20'
       - name: Source checkout
         uses: actions/checkout@v3
       - name: Set up Docker Buildx

.github/workflows/test-code.yml

@@ -17,7 +17,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v3
         with:
-          go-version: 1.19
+          go-version: '1.20'
       - name: Source checkout
         uses: actions/checkout@v3
       - name: Set up QEMU

.github/workflows/zitadel.yml

@@ -19,7 +19,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v3
         with:
-          go-version: 1.19
+          go-version: '1.20'
       - name: Source checkout
         uses: actions/checkout@v3
         with: