Fix: Pin odltools to version 0.1.33

Add workaround to pin odltools to the latest.
Changes in the new dependency resolver in 21.3
is likely the casue of downloading multiple versions
of packages. 

Issue-ID: LF-JIRA IT-23648
Ref: pypa/pip#9215
Change-Id: Ic40714d449d6c94ec9b8660afc6ad4135e778441
Signed-off-by: Anil Belur <[email protected]>

Author: askb

jjb/integration/integration-install-robotframework.sh

@@ -62,5 +62,9 @@ jsonpatch
 odltools
 EOF
 python -m pip install -r requirements.txt
+# Todo: Workaround needs pinned version of odltool to the latest because of the
+# update in the dependency resolver in pip 21.3.
+# Ref: https://github.com/pypa/pip/issues/9215
+pip install odltools==0.1.33
 odltools -V
 pip freeze