.github: rebase before running itests & unit tests

.github/workflows/main.yml

@@ -195,6 +195,12 @@ jobs:
     steps:
       - name: git checkout
         uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: fetch and rebase on ${{ github.base_ref }}
+        if: github.event_name == 'pull_request'
+        uses: ./.github/actions/rebase
 
       - name: git checkout fuzzing seeds
         uses: actions/checkout@v3
@@ -261,6 +267,12 @@ jobs:
     steps:
       - name: git checkout
         uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: fetch and rebase on ${{ github.base_ref }}
+        if: github.event_name == 'pull_request'
+        uses: ./.github/actions/rebase
 
       - name: setup go ${{ env.GO_VERSION }}
         uses: ./.github/actions/setup-go
@@ -306,6 +318,12 @@ jobs:
     steps:
       - name: git checkout
         uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: fetch and rebase on ${{ github.base_ref }}
+        if: github.event_name == 'pull_request'
+        uses: ./.github/actions/rebase
 
       - name: setup go ${{ env.GO_VERSION }}
         uses: ./.github/actions/setup-go
@@ -344,6 +362,12 @@ jobs:
     steps:
       - name: git checkout
         uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: fetch and rebase on ${{ github.base_ref }}
+        if: github.event_name == 'pull_request'
+        uses: ./.github/actions/rebase
 
       - name: setup go ${{ env.GO_VERSION }}
         uses: ./.github/actions/setup-go