CI: Enterprise MSI (#21518)

* build: builds msi for enterprise

* build: renamed msi generator directory

* build: build and deploy enterprise msi

* Build: placeholder license file for enterprise

* Build: correct name for ee msi

scripts/build/ci-msi-build/Dockerfile

@@ -0,0 +1,13 @@
+FROM grafana/wix-toolset-ci:v3
+
+RUN mkdir -p /tmp/dist /tmp/cache && \
+    cd /tmp/dist && \
+    wget https://dl.grafana.com/enterprise/release/grafana-enterprise-6.5.1.windows-amd64.zip && \
+    unzip -l grafana-enterprise-6.5.1.windows-amd64.zip
+
+COPY . /package-grafana
+WORKDIR /package-grafana
+
+RUN cp ./msigenerator/cache/nssm-2.24.zip /tmp/cache
+
+RUN cd msigenerator && python3 generator/build.py -e