Update image to alpine 3.14

Dockerfile

-FROM alpine:3.13.5
+FROM alpine:3.14
 
 LABEL name="OpenAppStack management"
-LABEL version="4.3"
+LABEL version="4.4"
 LABEL vendor1="Greenhost"
 
 
-# Download yq v4 from github until it's packaged in alpine > 3.13
-ADD https://github.com/mikefarah/yq/releases/download/v4.7.0/yq_linux_amd64 /usr/local/bin/yq
 ADD https://github.com/fluxcd/flux2/releases/download/v0.14.2/flux_0.14.2_linux_amd64.tar.gz /tmp/
 # Download kubectl until it's packaged in alpine > 3.14
 ADD https://dl.k8s.io/release/v1.21.0/bin/linux/amd64/kubectl /usr/local/bin/
@@ -14,24 +12,20 @@ COPY ./test/pytest/le-staging-bundle.pem /usr/local/share/ca-certificates/le-sta
 COPY ./requirements.txt /requirements.txt
 RUN \
   apk --no-cache add \
-    bash=5.1.0-r0 \
-    cargo=~1.47.0-r2 \
-    chromium=~86.0.4240.111-r0 \
-    chromium-chromedriver=~86.0.4240.111-r0 \
+    bash=~5.1.4-r0 \
+    cargo=~1.52.0-r0 \
     curl=~7.77.0-r1 \
     # needed for installing pycurl python module
     curl-dev=~7.77.0-r1 \
-    gcc=~10.2.1_pre1-r3 \
-    git=~2.30.2-r0 \
+    git=~2.32.0-r0 \
     libffi-dev=3.3-r2 \
     make=~4.3-r0 \
-    musl-dev=~1.2.2-r1 \
-    openssh-client=~8.4_p1-r3 \
-    py3-pip=~20.3.4-r0 \
-    py3-wheel=~0.36.2-r0 \
-    python3-dev=~3.8.10-r0 \
-    rsync=~3.2.3-r1 \
-    rust=~1.47.0-r2 && \
+    openssh-client=~8.6_p1-r2 \
+    py3-pip=~20.3.4-r1 \
+    py3-wheel=~0.36.2-r2 \
+    python3-dev=~3.9.5-r1 \
+    rsync=~3.2.3-r2 \
+    yq=4.6.3-r1 && \
   chmod a+x /usr/local/bin/* && \
   update-ca-certificates && \
   pip install --no-cache-dir -r /requirements.txt && \