Fix CI failures by adding apt-get update to Makefile

.github/workflows/dev-long-tests.yml

@@ -75,6 +75,7 @@ jobs:
     - uses: actions/checkout@v2
     - name: ASan + UBSan + Test Zstd, 32bit mode
       run: |
+        sudo apt-get -qqq update
         make libc6install
         make -j uasan-test-zstd32 V=1
 
@@ -88,6 +89,7 @@ jobs:
     - uses: actions/checkout@v2
     - name: gcc-8 + ASan + UBSan + Fuzz Test
       run: |
+        sudo apt-get -qqq update
         make gcc8install
         CC=gcc-8 FUZZER_FLAGS="--long-tests" make clean uasan-fuzztest
 
@@ -97,6 +99,7 @@ jobs:
     - uses: actions/checkout@v2
     - name: ASan + UBSan + Fuzz Test 32bit
       run: |
+        sudo apt-get -qqq update
         make libc6install
         CFLAGS="-O3 -m32" FUZZER_FLAGS="--long-tests" make uasan-fuzztest
 
@@ -152,6 +155,7 @@ jobs:
     - name: valgrind + fuzz test stack mode    # ~ 7mn
       shell: 'script -q -e -c "bash {0}"'
       run: |
+        sudo apt-get -qqq update
         make valgrindinstall
         make -C tests valgrindTest
         make clean

Makefile

@@ -334,6 +334,8 @@ tsan-%: clean
 
 .PHONY: apt-install
 apt-install:
+	# TODO: uncomment once issue 3011 is resolved and remove hack from Github Actions .yml
+	# sudo apt-get update
 	sudo apt-get -yq --no-install-suggests --no-install-recommends --force-yes install $(APT_PACKAGES)
 
 .PHONY: apt-add-repo