Bump Alpine version

test/tests/mongo-basics/run.sh

@@ -26,7 +26,7 @@ fi
 if [[ "$testName" == *tls* ]]; then
 	tlsImage="$("$testDir/../image-name.sh" librarytest/mongo-tls "$image")"
 	"$testDir/../docker-build.sh" "$testDir" "$tlsImage" <<-EOD
-		FROM alpine:3.11 AS certs
+		FROM alpine:3.14 AS certs
 		RUN apk add --no-cache openssl
 		RUN set -eux; \
 			mkdir /certs; \

test/tests/rabbitmq-tls/run.sh

@@ -27,7 +27,7 @@ EOD
 
 testImage="$("$dir/../image-name.sh" librarytest/rabbitmq-tls-test "$1")"
 "$dir/../docker-build.sh" "$dir" "$testImage" <<'EOD'
-FROM alpine:3.11
+FROM alpine:3.14
 RUN apk add --no-cache bash coreutils drill openssl procps
 # https://github.com/drwetter/testssl.sh/releases
 ENV TESTSSL_VERSION 2.9.5-8

test/tests/redis-basics/run.sh

@@ -18,7 +18,7 @@ if [[ "$testName" == *tls* ]]; then
 
 	tlsImage="$("$testDir/../image-name.sh" librarytest/redis-tls "$image")"
 	"$testDir/../docker-build.sh" "$testDir" "$tlsImage" <<-EOD
-		FROM alpine:3.11 AS certs
+		FROM alpine:3.14 AS certs
 		RUN apk add --no-cache openssl
 		RUN set -eux; \
 			mkdir /certs; \