node upgrade, set gh workflow runner to ubuntu20

.github/workflows/aliro_tests.yml

@@ -11,7 +11,7 @@ jobs:
   build_int_test:
     name: Integration Tests
     # The type of runner that the job will run on
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
@@ -31,7 +31,7 @@ jobs:
   build_web_app:
     name: Unit Tests for Webapp
     # The type of runner that the job will run on
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:

docker/lab/Dockerfile

@@ -24,7 +24,7 @@ RUN apt-get update --fix-missing && \
   i386) ARCH='x86';; \
   *) echo "unsupported architecture"; exit 1 ;; \
   esac \
-  && wget --quiet https://nodejs.org/dist/v16.18.1/node-v16.18.1-linux-$ARCH.tar.xz -O ~/node.tar.xz && \
+  && wget --quiet https://nodejs.org/dist/v16.20.1/node-v16.20.1-linux-$ARCH.tar.xz -O ~/node.tar.xz && \
   tar -xvf ~/node.tar.xz -C /usr/local/ --strip-components=1 --no-same-owner && \
   rm ~/node.tar.xz && \
   ln -s /usr/local/bin/node /usr/local/bin/nodejs && \

docker/machine/Dockerfile

@@ -23,7 +23,7 @@ RUN apt-get update --fix-missing && apt-get install -y \
       i386) ARCH='x86';; \
       *) echo "unsupported architecture"; exit 1 ;; \
     esac \
-    && wget --quiet https://nodejs.org/dist/v16.18.1/node-v16.18.1-linux-$ARCH.tar.xz -O ~/node.tar.xz && \
+    && wget --quiet https://nodejs.org/dist/v16.20.1/node-v16.20.1-linux-$ARCH.tar.xz -O ~/node.tar.xz && \
     tar -xvf ~/node.tar.xz -C /usr/local/ --strip-components=1 --no-same-owner && \
     rm ~/node.tar.xz && \
     ln -s /usr/local/bin/node /usr/local/bin/nodejs && \