jupyter: new version for updated ravenpy, birdy and xclim

See PR Ouranosinc/PAVICS-e2e-workflow-tests#75
for more details.

Relevant changes:
```diff
<   - raven=3.0.4.318=hc9bffa2_2
>   - raven-hydro=3.0.4.322=h516393e_0

<   - ravenpy=0.4.2=py37_1
>   - ravenpy=0.5.2=pyh7f9bfb9_0

<   - ostrich=21.03.16=h2bc3f7f_0
>   - ostrich=21.03.16=h4bd325d_1

<   - xclim=0.25.0=pyhd8ed1ab_0
>   - xclim=0.26.1=pyhd8ed1ab_0

<     - birdhouse-birdy==0.7.0
>   - birdy=v0.8.0=pyh6c4a22f_0

>   - pydantic=1.8.2=py37h5e8e339_0

<   - xarray=0.17.0=pyhd8ed1ab_0
>   - xarray=0.18.2=pyhd8ed1ab_0

<   - owslib=0.23.0=pyhd8ed1ab_0
>   - owslib=0.24.1=pyhd8ed1ab_0

<   - cf_xarray=0.5.1=pyh44b312d_0
>   - cf_xarray=0.5.2=pyh6c4a22f_0

<   - cftime=1.4.1=py37h902c9e0_0
>   - cftime=1.5.0=py37h6f94858_0

<   - clisops=0.6.3=pyh44b312d_0
>   - clisops=0.6.4=pyh6c4a22f_0

<   - dask=2021.2.0=pyhd8ed1ab_0
>   - dask=2021.5.0=pyhd8ed1ab_0

<   - gdal=3.2.1=py37hc5bc4e4_7
>   - gdal=3.1.4=py37h2ec2946_8

<   - hvplot=0.7.1=pyh44b312d_0
>   - hvplot=0.7.2=pyh6c4a22f_0

<   - rioxarray=0.3.1=pyhd8ed1ab_0
>   - rioxarray=0.4.1.post0=pyhd8ed1ab_0

<   - xskillscore=0.0.19=pyhd8ed1ab_0
>   - xskillscore=0.0.18=py_1
```

Full diff of `conda env export`:
[210415-210527-conda-env-export.diff.txt](https://github.com/Ouranosinc/PAVICS-e2e-workflow-tests/files/6555480/210415-210527-conda-env-export.diff.txt)

Full new `conda env export`:
[210527-conda-env-export.yml.txt](https://github.com/Ouranosinc/PAVICS-e2e-workflow-tests/files/6555483/210527-conda-env-export.yml.txt)

birdhouse/default.env

@@ -2,7 +2,7 @@
 # All env in this default.env must not depend on any env in env.local.
 
 # Jupyter single-user server images, can be overriden in env.local to have a space separated list of multiple images
-export DOCKER_NOTEBOOK_IMAGES="pavics/workflow-tests:210415"
+export DOCKER_NOTEBOOK_IMAGES="pavics/workflow-tests:210527"
 
 # Name of the image displayed on the JupyterHub image selection page
 # Can be overriden in env.local to have a space separated list of multiple images, the name order must correspond