Pin Charmed Operator Framework version for charms

Change-Id: Iff5659151e5678298b72e54b7b22a375bc7b7ebf
Signed-off-by: Dario Faccin <dario.faccin@canonical.com>
(cherry picked from commit d0303f5fff9c744aa101767166e94277c9e3259f)
diff --git a/installers/charm/vca-integrator-operator/charmcraft.yaml b/installers/charm/vca-integrator-operator/charmcraft.yaml
index 0d7d5eb..95d0e96 100644
--- a/installers/charm/vca-integrator-operator/charmcraft.yaml
+++ b/installers/charm/vca-integrator-operator/charmcraft.yaml
@@ -25,11 +25,6 @@
         channel: "20.04"
 parts:
   charm:
-    build-environment:
-    - CRYPTOGRAPHY_DONT_BUILD_RUST: 1
+    charm-binary-python-packages: [cryptography, bcrypt]
     build-packages:
-      - build-essential
-      - libssl-dev
-      - libffi-dev
-      - python3-dev
-      - cargo
+      - libffi-dev
\ No newline at end of file
diff --git a/installers/charm/vca-integrator-operator/requirements.txt b/installers/charm/vca-integrator-operator/requirements.txt
index 66e845a..014a28d 100644
--- a/installers/charm/vca-integrator-operator/requirements.txt
+++ b/installers/charm/vca-integrator-operator/requirements.txt
@@ -14,6 +14,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #######################################################################################
-ops >= 1.2.0
-juju
+ops < 2.2
+juju < 3
 pyyaml
\ No newline at end of file
diff --git a/installers/charm/vca-integrator-operator/tox.ini b/installers/charm/vca-integrator-operator/tox.ini
index 605d690..e063dd4 100644
--- a/installers/charm/vca-integrator-operator/tox.ini
+++ b/installers/charm/vca-integrator-operator/tox.ini
@@ -62,7 +62,7 @@
     -r{toxinidir}/requirements.txt
 commands =
     codespell {[vars]lib_path}
-    codespell {toxinidir}/. --skip {toxinidir}/.git --skip {toxinidir}/.tox \
+    codespell {toxinidir} --skip {toxinidir}/.git --skip {toxinidir}/.tox \
       --skip {toxinidir}/build --skip {toxinidir}/lib --skip {toxinidir}/venv \
       --skip {toxinidir}/.mypy_cache --skip {toxinidir}/icon.svg
     pylint -E {[vars]src_path}