Manual update of pip requirements

Change-Id: I82e13ddf6c5df57387e9aeb4b35f96e79dd0e9ea
Signed-off-by: beierlm <mark.beierl@canonical.com>
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 6d6c3af..c61b32e 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -14,7 +14,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #######################################################################################
-bitarray==2.3.5
+bitarray==2.5.1
     # via
     #   -r https://osm.etsi.org/gitweb/?p=osm/IM.git;a=blob_plain;f=requirements.txt;hb=master
     #   pyangbind
@@ -22,14 +22,14 @@
     # via
     #   -r https://osm.etsi.org/gitweb/?p=osm/IM.git;a=blob_plain;f=requirements.txt;hb=master
     #   pyangbind
-lxml==4.7.1
+lxml==4.9.0
     # via
     #   -r https://osm.etsi.org/gitweb/?p=osm/IM.git;a=blob_plain;f=requirements.txt;hb=master
     #   pyang
     #   pyangbind
 osm-im @ git+https://osm.etsi.org/gerrit/osm/IM.git@master
     # via -r requirements-dev.in
-pyang==2.5.2
+pyang==2.5.3
     # via
     #   -r https://osm.etsi.org/gitweb/?p=osm/IM.git;a=blob_plain;f=requirements.txt;hb=master
     #   pyangbind
@@ -37,7 +37,7 @@
     # via -r https://osm.etsi.org/gitweb/?p=osm/IM.git;a=blob_plain;f=requirements.txt;hb=master
 pyyaml==5.4.1
     # via -r https://osm.etsi.org/gitweb/?p=osm/IM.git;a=blob_plain;f=requirements.txt;hb=master
-regex==2021.11.10
+regex==2022.6.2
     # via
     #   -r https://osm.etsi.org/gitweb/?p=osm/IM.git;a=blob_plain;f=requirements.txt;hb=master
     #   pyangbind