attempt to get newer 64tass from debian testing repo

.github/workflows/all-ci.yml

@@ -12,16 +12,13 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v2
 
-      - name: get missing public keys
-        run: sudo gpg --keyserver keyserver.ubuntu.com --recv-keys 648ACFD622F3D138 0E98404D386FA1D9
-
-      - name: add debian testing repository and install 64tass
-        uses: myci-actions/add-deb-repo@11
-        with:
-          repo: deb http://ftp.debian.org/debian/ testing contrib main
-          repo-name: testing
-          keys-asc: https://gagis.hopto.org/repo/cppfw/pubkey.gpg
-          install: 64tass
+      - name: build and install recent 64tass
+        run: |
+          sudo apt-get install -y make build-essential
+          git clone https://github.com/irmen/64tass
+          cd 64tass
+          make -j4
+          sudo make insatll
 
       - name: Set up JDK 11
         uses: actions/setup-java@v2