deps: bump node 12.15.0 to 12.16.1 (#142)

* deps: bump node 12.15.0 to 12.16.1
* deps: bump git 2.25.0 to 2.25.1
* chore: validate node and npm version by engines field
* ci: Add npm i -g npm

Dockerfile

@@ -12,10 +12,11 @@ RUN apt-get update && \
     wget \
     ssh \
     vim && \
-    rm -rf /var/lib/apt/lists/*
+    rm -rf /var/lib/apt/lists/* && \
+    npm i -g npm
 
 WORKDIR /git
-ENV GIT_VERSION="2.25.0"
+ENV GIT_VERSION="2.25.1"
 RUN wget -q "https://github.com/git/git/archive/v${GIT_VERSION}.tar.gz" && \
     tar -zxf "./v${GIT_VERSION}.tar.gz" && \
     rm "./v${GIT_VERSION}.tar.gz" && \