specific cwltool & celery versions to resolve dependencies

Makefile

@@ -200,7 +200,7 @@ conda-config: conda-base	## setup configuration of the conda environment
 .PHONY: conda-install
 conda-install: conda-env
 	@echo "Updating conda packages..."
-	@bash -c '$(CONDA_CMD) conda install -c conda-forge proj'
+	@bash -c '$(CONDA_CMD) conda install -y -c conda-forge proj'
 
 .PHONY: conda-env
 conda-env: conda-base conda-config	## create the conda environment

requirements.txt

@@ -5,7 +5,7 @@ boto3
 # windows fixes until
 # https://github.com/celery/billiard/issues/260
 # https://github.com/celery/billiard/issues/313
-billiard!=2.*; sys_platform != "win32"  # avoid issue with use_2to3
+billiard>2; sys_platform != "win32"  # avoid issue with use_2to3
 billiard>3.2,<3.4; sys_platform == "win32"
 # FIXME: pymongo>=4 breaks with kombu corresponding to pinned Celery (https://github.com/crim-ca/weaver/issues/386)
 #   celery >=4.4.3 breaks on 'future.utils' import
@@ -14,7 +14,7 @@ billiard>3.2,<3.4; sys_platform == "win32"
 celery[mongodb]<4; sys_platform == "win32"  # pyup: ignore
 # FIXME: use celery 5.2 specifically to resolve security issue
 #   best match for now since cannot use setuptools>=59 until cwltool/rdflib-jsonld are updated
-celery[mongodb]>=5.1; sys_platform != "win32" and python_version >= "3.7"  # pyup: ignore
+celery[mongodb]==5.2.2; sys_platform != "win32" and python_version >= "3.7"  # pyup: ignore
 # celery[mongodb]>=5.2.3; sys_platform != "win32" and python_version >= "3.7"  # pyup: ignore
 # technically, >=5.2 preferred to resolve security issue, but dependency resolver cannot find it
 # FIXME: drop support? more recent versions not avilable for end-of-life python
@@ -34,7 +34,7 @@ cryptography
 # FIXME: remove extra CWL code and let it handle it for use
 #   - changes since cause error with invalid get_listing import location
 #   - https://github.com/crim-ca/weaver/issues/154
-cwltool>2,<=3.0.20200324120055
+cwltool==3.0.20200324120055
 docker
 duration
 git+https://github.com/ESGF/[email protected]#egg=esgf-compute-api
@@ -63,8 +63,6 @@ pyramid_storage
 pytz
 pywps==4.5.1
 pyyaml>=5.2
-# required by: cwltool => schema_salad, make requirement stricter because it has longer wheel build time
-rdflib-jsonld>0.5
 requests
 requests_file
 # let cwltool define ruamel.yaml version (<=0.16.5)